Content-adaptive adjustment system and method

Abstract

A content-adaptive adjustment system and method for a light-emitting display is disclosed. An analysis unit analyzes, for example, the average data intensity / power consumption and the data distribution of the image data to be displayed. An adjustment unit then adjusts, for example, the pixel values of the image data or the drive levels of the light-emitting display according to the analyzed data distribution, such that the consumed power in the light-emitting display could be considerably reduced.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention generally relates to organic light-emitting diode (OLED) display, and more particularly to adjusting the driving current of the OLED display.[0003]2. Description of the Prior Art[0004]The organic light-emitting diode (OLED) has recently received more attention and application in the field of the flat panel display, in television screens, computer displays, and portable electronic device screens. A primary benefit of the OLED over other flat panel displays is that the OLED itself emits light of different colors and therefore does not involve the backlight and color filter as required, for example, in the liquid crystal display (LCD). Further, the OLED display can be more effectively manufactured in process and in cost. Nevertheless, the significant drawback of the OLED is the limited lifetime of the organic materials prone to degradation compared to the LCD, for example.[0005]The OLED-based display ...

AI Technical Summary

Benefits of technology

[0007]In view of the foregoing, it is an object of the present invention to alleviate the voltage drop problem and the heat loss issue, to save power consumption, and to lengthen the lifetime of the OLED display.

[0008]According to the embodiment of the present invention, a content-adaptive adjustment system and method for a light-emitting display is disclosed. An analysis unit analyzes, for example, the average data intensity / power consumption and the data distribution of the image data to be displayed. An adjustment unit then adjusts, for example, the pixel values of the image data or the drive levels of the light-emitting display according to the analyzed data distribution, such that the consumed power in the light-emitting display could be considerably reduced.

Problems solved by technology

Nevertheless, the significant drawback of the OLED is the limited lifetime of the organic materials prone to degradation compared to the LCD, for example.

The OLED-based display is operated in a current driving manner, and therefore the resistance in the circuit causes a significant voltage drop (or IR drop) problem and heat loss issue.

Accordingly, the operation efficiency, particularly the power efficiency, of the OLED-based display becomes low.

Images